The Universal Audio OX is a reactive load box that allows you to play your tube amplifier at any volume level.

Boasting one of the world's best reactive load circuits, combined with premium-quality analog components, the OX allows you to achieve those cranked amp tube tones at any volume level, making it a powerful solution for recording and performing.

Offering 6 presets of accurate cabinet and mic combo emulations, with the addition of a free app for customising and mixing your tone, the OX provides flexibility, allowing you achieve harmonically-rich guitar tones. Bring the tube tones to your studio and stage, without needing to crank up that volume.